<template>
  <div class="wrapper">
    <!-- header部分 -->
    <header>
      <p>用户登陆</p>
    </header>

    <!-- 表单部分 -->
    <ul class="form-box">
      <li>
        <div class="title">
          手机号码：
        </div>
        <div class="content">
          <input type="text" v-model="userId" placeholder="手机号码">
        </div>
      </li>
      <li>
        <div class="title">
          密码：
        </div>
        <div class="content">
          <input type="password" v-model="password" placeholder="密码">
        </div>
      </li>
    </ul>

    <div class="button-login">
      <button @click="login">登陆</button>
    </div>
    <div class="button-register">
      <button @click="goToRegister">去注册</button>
    </div>

    <!-- 底部菜单部分 -->
    <Footer></Footer>
  </div>
</template>

<script>
import axios from 'axios'; // 导入 axios
import qs from 'qs'; // 导入 qs，用于序列化请求参数
import Footer from '../components/Footer.vue';
import CryptoJS from 'crypto-js'; // 导入 crypto-js 库
import {
  getCurDate,
  setSessionStorage,
  getSessionStorage,
  removeSessionStorage,
  setLocalStorage,
  getLocalStorage,
  removeLocalStorage
} from '../common.js'
import register from "@/views/Register.vue";

export default {
  name: 'Login',
  computed: {
    register() {
      return register
    }
  },
  data() {
    return {
      userId: '',
      password: ''
    }
  },
  methods: {
    login() {
      // 检查手机号格式
      const phoneRegex = /^[1-9][0-9]{10}$/;
      if (!phoneRegex.test(this.userId) || this.userId[1] === '2') {
        alert('请输入正确的电话号');
        return;
      }
      // 检查密码长度
      if (this.password.length < 6) {
        alert('请输入至少六位密码');
        return;
      }

      // 使用 MD5 对密码进行加密
      const encryptedPassword = CryptoJS.MD5(this.password).toString();

      // 登录请求
      axios.post('/users/login', {
        userId: this.userId,
        password: encryptedPassword
      }, {
        headers: {
          'Content-Type': 'application/json'
        }
      }).then(response => {
        let userDTO = response.data.data;
        if (userDTO == null || !userDTO.userId) {
          alert('用户名或密码不正确');
        } else {
          // 用户登录成功，userDTO 包含用户信息
          alert('登录成功');
          sessionStorage.setItem('user', JSON.stringify(userDTO));
          this.$router.push('/');
        }
      }).catch(error => {
        console.error(error);
        if (error.response) {
          alert('登录失败：' + error.response.data.message);
        } else {
          alert('登录失败：请检查网络连接或联系管理员！');
        }
      });
    },
    goToRegister() {
      this.$router.push('/register');
    }
  },
  components: {
    Footer
  }
}
</script>

<style scoped>
/****************** 总容器 ******************/
.wrapper {
  width: 100%;
  height: 100%;
}

/****************** header部分 ******************/
.wrapper header {
  width: 100%;
  height: 12vw;
  background-color: #0097FF;
  color: #fff;
  font-size: 4.8vw;

  position: fixed;
  left: 0;
  top: 0;
  z-index: 1000;

  display: flex;
  justify-content: center;
  align-items: center;
}

/****************** 表单部分 ******************/
.wrapper .form-box {
  width: 100%;
  margin-top: 12vw;
}

.wrapper .form-box li {
  box-sizing: border-box;
  padding: 4vw 3vw 0 3vw;
  display: flex;
  align-items: center;
}

.wrapper .form-box li .title {
  flex: 0 0 18vw;
  font-size: 3vw;
  font-weight: 700;
  color: #666;
}

.wrapper .form-box li .content {
  flex: 1;
}

.wrapper .form-box li .content input {
  border: none;
  outline: none;
  width: 100%;
  height: 4vw;
  font-size: 3vw;
}

.wrapper .button-login {
  width: 100%;
  box-sizing: border-box;
  padding: 4vw 3vw 0 3vw;
}

.wrapper .button-login button {
  width: 100%;
  height: 10vw;
  font-size: 3.8vw;
  font-weight: 700;
  color: #fff;
  background-color: #38CA73;
  border-radius: 4px;

  border: none;
  outline: none;
}

.wrapper .button-register {
  width: 100%;
  box-sizing: border-box;
  padding: 4vw 3vw 0 3vw;
}

.wrapper .button-register button {
  width: 100%;
  height: 10vw;
  font-size: 3.8vw;
  font-weight: 700;
  /*与上面登陆按钮不同的只有颜色、背景色、边框不同*/
  color: #666;
  background-color: #EEE;
  border: solid 1px #DDD;
  border-radius: 4px;

  border: none;
  outline: none;
}

/****************** 底部菜单部分 ******************/
.wrapper .footer {
  width: 100%;
  height: 14vw;
  border-top: solid 1px #DDD;
  background-color: #fff;

  position: fixed;
  left: 0;
  bottom: 0;

  display: flex;
  justify-content: space-around;
  align-items: center;
}

.wrapper .footer li {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;

  color: #999;
  user-select: none;
  cursor: pointer;
}

.wrapper .footer li p {
  font-size: 2.8vw;
}

.wrapper .footer li i {
  font-size: 5vw;
}
</style>